皮皮学，免费搜题
登录
搜题
【单选题】
电路如图所示,已知 U S = 6V , R 1 = R 2 = 8Ω 。将图 (a) 中的电路等效成为图 (b) 中的电压源,则其中的 U es 和 R 0 分别为 ( ) 。
A.
6V 和 8Ω
B.
6V 和 4Ω
C.
3V 和 4Ω
D.
3V 和 8Ω
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【简答题】用所给词的适当形式填空（20分） 小题1:She is old enough to look after __________(she). 小题2:Mr Black is very angry, because the students are playing ____(noise ) in the classroom. 小题3:He is ________(thin) of the twins....
查看完整题目与答案
【单选题】According to the passage, it is clear that the force of the moon ______.
A.
is not as important as that of the wind
B.
is less than half that of the sun
C.
is the primary cause of the alternate rise and fall of the surface of the seas
D.
does not influence the rise and fall of the surface of the seas
查看完整题目与答案
【单选题】下列方法中不是混悬剂制备方法的是
A.
分散法
B.
物理凝聚法
C.
化学凝聚法
D.
沉降法
查看完整题目与答案
【单选题】有一消防控制室，设备面盘单列布置。根据《火灾自动报警系统设计规范》（GB50116-2013）的规定，该消防控制室内设置面盘前的操作距离不应小于（）m。
A.
1.5
B.
2
C.
2.5
D.
3
查看完整题目与答案
【判断题】特许权使用费收入以实际取得收入的日期确认收入的实现。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What was the woman's family like when she was a child?
A.
They didn't have much money.
B.
They didn't have enough to eat.
C.
They didn't have many friends.
查看完整题目与答案
【单选题】He was a good swimmer, so he ______ swim to the river bank when the boat sank.
A.
could
B.
might
C.
succeeded to
D.
was able to
查看完整题目与答案
【简答题】设 、 为两个随机事件, , , , 则 。
查看完整题目与答案
【单选题】It is clear that the main reason for the rise in food prices is that______
A.
people are buying less food
B.
the government is providing less financial support for agriculture
C.
domestic food production has decreased
D.
imported food is driving prices higher
查看完整题目与答案
【单选题】设 为两个随机事件,且 ,则 =( ).
A.
B.
C.
D.
1
查看完整题目与答案
相关题目：
【简答题】用所给词的适当形式填空（20分） 小题1:She is old enough to look after __________(she). 小题2:Mr Black is very angry, because the students are playing ____(noise ) in the classroom. 小题3:He is ________(thin) of the twins....
查看完整题目与答案
【单选题】According to the passage, it is clear that the force of the moon ______.
A.
is not as important as that of the wind
B.
is less than half that of the sun
C.
is the primary cause of the alternate rise and fall of the surface of the seas
D.
does not influence the rise and fall of the surface of the seas
查看完整题目与答案
【单选题】下列方法中不是混悬剂制备方法的是
A.
分散法
B.
物理凝聚法
C.
化学凝聚法
D.
沉降法
查看完整题目与答案
【单选题】有一消防控制室，设备面盘单列布置。根据《火灾自动报警系统设计规范》（GB50116-2013）的规定，该消防控制室内设置面盘前的操作距离不应小于（）m。
A.
1.5
B.
2
C.
2.5
D.
3
查看完整题目与答案
【判断题】特许权使用费收入以实际取得收入的日期确认收入的实现。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What was the woman's family like when she was a child?
A.
They didn't have much money.
B.
They didn't have enough to eat.
C.
They didn't have many friends.
查看完整题目与答案
【单选题】He was a good swimmer, so he ______ swim to the river bank when the boat sank.
A.
could
B.
might
C.
succeeded to
D.
was able to
查看完整题目与答案
【简答题】设 、 为两个随机事件, , , , 则 。
查看完整题目与答案
【单选题】It is clear that the main reason for the rise in food prices is that______
A.
people are buying less food
B.
the government is providing less financial support for agriculture
C.
domestic food production has decreased
D.
imported food is driving prices higher
查看完整题目与答案
【单选题】设 为两个随机事件,且 ,则 =( ).
A.
B.
C.
D.
1
查看完整题目与答案